3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php for ($i = 48; $i < 9999; $i++) { $hash = md5("preved$i"); if (is_numeric($hash)) { echo "$i $hash "; var_dump(is_numeric($hash)); echo "\n"; break; } }
based on 6cMbC
Output for 5.5.0 - 7.3.0rc4